Question

2

21. Air in motion is called a ____________

a. wing b. wind c. coffee d. tsunami

22. The process/es of wind erosion is/are

a. deflation b. abrasion c. attrition d. all of the above

23. The process by which lose particles of soil or regolith

are carried from ground surface are lifted and

transported is called

a. deflation b. abrasion c. attrition d. solution

24. Wearing of transported material by friction that

results in grinding of material as they are being

transported is called _____

a. attrition b. solution c. saltation d. traction

25. A ____________ may result from the suspension of

fine particles of sediment by wind over significant

distances.

a. ventifact b. desert pavement c. dust storm

d. sand dune

26. Sometimes rocks are grooved and polished by wind

driven abrasion, these examples are often referred to as:

a. pebbles b. gravels c. desert pavements d. ventifacts

27. Sandblasting of winds against projecting rock masses

that leads to formation of rock pedestals. These

landforms resemble a fungus and are called ________

rock

a. carrot b. beetroot c. mushroom d. potato

28. When the hard and soft rock layers are vertical

bands aligned in the direction of the wind, wind erosion

forms

a. zeugen b. yardang c. traction d. pavement

29. Portion of the plateau isolated from main plateau

caused by wind erosion. Word means table in Spanish

a. zeugen b. mesa c. yardang d. delta

30. Island mountain of resistant rock often made of

granite or gneiss, rising from a softer more easily eroded

rocks of the plain is called

a. inselberg b. burger c. mesa d. glacier

31. Surface deposit of wind transported silt is called

____________

a. alluvium b. loess c. till d. moraine

32. Hill of loose sand shaped by wind is called ______

a. moraine b. sand dune c. flood plain d. truncated

spur

33. Ridge and furrow landscape whose formation is

initiated by mechanical weathering .Wind abrasion

erodes softer rock layer. The hard and soft rock layers lie

in horizontal bands. Feature of wind erosion.

a. yardang b. zeugen c. till d. cirque

34. Isolated flat topped hills formed by wind erosion of

mesas

a. buttes b. buts c. ifs d. minis

35. Vast expanse of sand dunes is called

a. mesa b. butte c. drumlin d. erg

36. Crescent-shaped dunes with the points of the

crescents pointing in the windward side, and a curved

slip face on the leeward side of the dune.

a. Mesa b. Barchans c. Parabolic d. longitudinal

37. The steepest portion of a barchans is on the

__________ side.

a. windward b. top c. bottom d. leeward

38. Long straight dunes that form in areas with a limited

sand supply and converging wind directions are called:

a. barchans b. parabolic c. transverse d. longitudinal

39. Large fields of dunes that resemble sand ripples on a

large scale. They consist of ridges of sand with a steep

face in the downwind side, and form in areas where

there is abundant supply of sand and a constant wind

direction. Such dunes are called

a. barchans b. parabolic c. transverse d. longitudinal

40. Dunes with several arms and variable slip face

directions that form in areas where there is abundant

sand and variable wind directions is called

a. star b. parabolic c. transverse d. longitudinal

Answer 1

21. b. wind

22. d. all of the above

23. a. deflation

24. a. attrition

25. c. dust storm

26. d. ventifacts

27. c. mushroom

28. b. yardang

29. b. mesa

30. a. inselberg

31. b. loess

32. b. sand dune

34. a. buttes

35. d. erg

36. b. Barchans

37. d. leeward

38. d. longitudinal

39. c. transverse

40. a. star